Merge branch 'release/0.6.4'

* release/0.6.4: (30 commits)
  Bumping to version 0.6.4
  Had to change the Solr field symbol in some more places
  Add soft delete option to application template
  Changing the sort fields to just have one stored_sortable Solr field. The previous code was just creating one solr field which was multi-valued and not sortable. Not sure if that's a configuration issue in Curate or a Solrizer bug
  Use rails_autolink gem to create link for pernal profile fields
  Defining the Hydra Way for Curate
  Update .travis.yml
  The 'confirm' key is going away in favor of data attributes
  Create works delete button and modify controller.
  Use rails_autolink gem
  Updating the README TOC to include Auth config
  Small fixes to some wording
  Add question prompt for RSpec in application template
  Fix some copy/paste and other trivial typos in README.md.
  Add rspec:install to application template
  Provide information to integrate different authentication system.
  Adds delete button to the collections#show view
  Collection's edit page should display its members.
  Unzip Jetty before exiting application template
  Person should not be added to Collection
  ...
Merge remote-tracking branch 'upstream/develop' into develop
Merge branch 'develop' of https://github.com/projecthydra/curate into develop
IN PROGRESS Trying to get Works to have users with edit access. Because we are trying to use an existing form infrastructure that relies on nested_attributes, we need to add relationhips that would otherwise be fine in rightsMetadata [Skip ci]
Forgot a few files in previous commit [Skip ci]
Forgot a few files in previous commit [Skip ci]
Merge pull request #428 from nulib/HYDRASIR-94

Hydrasir 94 - Moving my in-progress branch from a fork to a feature branch on curate